Home / 6,622.83-9,938.34-3,850.80

Finding the Fourth Proportional to 6,622.83, 9,938.34 and 3,850.80

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Solution

The fourth proportional to 6,622.83, 9,938.34 and 3,850.80 is: 5,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.83 : 9,938.34 = 3,850.80 : x
  2. Step 2: Convert to fraction form
    6,622.83/9,938.34 = 3,850.80/x
  3. Step 3: Cross multiply
    6,622.83x = 9,938.34 × 3,850.80
  4. Step 4: Simplify right side
    6,622.83x = 38,270,559.67
  5. Step 5: Solve for x
    x = 38,270,559.67/6,622.83
  6. Step 6: Final answer
    x = 5,778.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.